Improved window-frame



"l dant-,1algisten wat @time oTIs WARD, or SUN-DERL'AND.-VERMONT,

Letters Patent .N 96,644, daiell .November 9, 1869.

' IMPRovszn WINDOW-FRAME.

The Schedule referred' to in `these Letters. Patent and making part of the same.

To all persons to wZwm these presents may come:

Be it known that I, O'rIs WARD, of Sunderland, of the county of Bennington, and State of Vermont, have made a new and usei'uriuvention, having reference to Window-Frames and the sashes thereof; and'do hereby declare the same to y,be fully described in the follow-` ing specifica-tion, and represented in the accompanying Figure l is an inner side elevation,

Figure 2, a vertical section, and

Figure 3, a horizontal section `of' a window-frame and its two sashes, as provided'with my invention.

`In such drawings- A denotes the window-frame; and B, the upper, 'andA C, the lower sash thereof.

The upper sash, as the frame A is represented, may be supposed not to be movable vertically, the lower sashQ/)eing' capable only of being slid up and down, with reference to the window-frame.

The two sashes are shown as resting against each other, the lower one being supported, on its outer surface, against guides a a, applied to or forming part of the side bars of the frame, and 'serving also as supports to the upper sash;

Against lthe-inner face of each vertical slide-bar of the lower sash, is one, of two movable guide-bars D D. These bars extend from the lower to the upper baroi the window-frame, and are arranged against the' inner f'aces'of its side bars of such ii'aiue.`

Each guide D isheldto the window-frame by two i or any other suitable number of clamp-screws E E,

l which go through slots c c in the guide, (or in metallic shoulder-pieces b b, fixed thereto,) and screw into the window-frame, the slots being arranged. horizontally, so as to enable the guides'to be easily moved either toward or away from the sashes.

Another such movable guide I apply to the under .the adjustable guides D side. of' the top bar of the window-frame, and so as to rest against the inner side of the upper bar ofthe upper sash, the same being as shown at Ein the drawings.

` This ylatter guide is to be fastened to the windowframe by one or more clainp-serews, d, going'through slots, e, in -the guide, and ashoulder-piece to each screw, such screw beingr screwed into the windowtin-me.

The upper sash rests on the tops of the guides@ a,

y vand is otherwise held in `place 'by the movable..plate.;` Y

F. and its screw or with the window-frame, the upper sash and the guides a a fbrm'grooves for the lower sash to p lay in.'

In case of shrinkage,l or swelling of either sash or the window-frame, so as to cause the lower sash either to run too loosely, or to bind in itsgrooves, theguides D D may be moved, more or-less, either toward or away from the sash'es, so as to cause the lower one to play with the desirable freedom.

I claim, as my invention, the following', riz: The combination and arrangement of theV adjustable plate F, provided with one or morejclamp-screws, as described, with the sashes, the window-frame, and

, OTIS/ WARD.

Witnesses: v

SARAH A. HYDE, ISAAC T. HYDE. 

